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LR1108L-XX-AF5-D-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 LR1108L-XX-AF5-D-R
功能描述  1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR
PDF  6 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LR1108L-XX-AF5-D-R 数据表(HTML) 4 Page - Unisonic Technologies

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LR1108
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R102-031.I
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage (Operating) (Note 10)
VIN
2.5~7.0
V
Input Voltage (Survival)
-0.3~+7.5
V
Shutdown Input Voltage
VIN(SHDN)
-0.3~VIN+0.3
V
Output Voltage (Survival), (Note 4, 5)
VOUT
-0.3~+7.5
V
IOUT (Survival)
Short Circuit Protected
Maximum Voltage for ERROR Pin
VIN+0.3
V
Maximum Operating Current (DC)
1
A
Power Dissipation (Note 2)
PD
Internally Limited
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-40~+125
°C
Storage Temperature
TSTG
-65~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
SOT-223
θJA
165
℃
/W
SOT-25
249
TO-252
112
SOT-89
179
Junction to Case
SOT-223
θJC
15
℃
/W
SOT-25
165
TO-252
12
SOT-89
47
ELECTRICAL CHARACTERISTICS
Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature
range. (TJ = 25°C, VIN = VO(NOM) + 1V, IL = 10mA, COUT = 2.2μF, VSD = VIN-0.3V, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage Tolerance (Note 6)
VOUT
0mA ≤ IL ≤ 1A
VOUT +1 ≤ VIN≤ 7.0V
-1.5
-3
0
+1.5
+3
%
Output Voltage Line Regulation (Note 6)
V
△ OUT
VOUT+1V<VIN<7.0V
0.05
%
Output Voltage Load Regulation (Note 6)
V
△ OUT/I
△ OUT 10mA < IL < 1A
0.04
%
Dropout Voltage (Note 8)
VD
IL = 1A
300
500
mV
Ground Pin Current In Normal Operation
Mode
IGND
IL = 0mA
200
uA
IL = 1A
300
Peak Output Current
IO(PEAK)
(Note 2)
1
A
SHORT CIRCUIT PROTECTION
Short Circuit Current
ISC
2
A
OVER TEMPERATURE PROTECTION
Shutdown Threshold
TSHDN(THR)
165
°C
Thermal Shutdown Hysteresis
TSHDN(HYS)
10
°C
SHUTDOWN INPUT
Shutdown Threshold
VSHDN
Output = High
VIN-0.3
VIN
V
Output = Low
0
0.2
Turn-off Delay
tD(OFF)
IL = 1A
20
μs
Turn-on Delay
tD(ON)
IL = 1A
25
μs
SD Input Current
ISD
VSD = VIN
1
nA



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